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The aponeurosis of external abdominal oblique muscle forms the external spermatic fascia. The muscle fibers of the internal abdominal oblique muscle and its fascia contribute to the cremaster muscle and cremasteric fascia. Contraction of the cremaster muscle can retract the testis towards the superficial inguinal ring. The transversalis fascia is continuous with the internal spermatic fascia.Separate and identify the structures contained within the spermatic cord (Figure 36.5A and Figure 36.5B).
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